emergency buttons for seniors

Adam Schanz

The PIC architecture is characterized by its multiple attributes:Separate code and data spaces Harvard architecture. A small number of fixed length instructions. Most instructions are single cycle execution, with one delay cycle on branches and skips. All RAM locations function as registers as both source and destination of math and other functions. A hardware stack for storing return addresses. Data space mapped CPU, port, and peripheral registers. The program counter is also mapped into the data space and writable. There is no distinction between memory space and register space because the RAM serves the job of both memory and registers, and it is usually just referred to as the register file. The keypad:This device is used to enter the password selected by the user and to arm or disarm the alarm by selecting the various profiles installed in the system. As you can see from our project’s picture we used a 4 x 4 keypad, as instructed by Dr. Ayoubi we started off our project by working on the keypad and testing it on Proteus and on the PIC itself.

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There may be some overlap between public law enforcement and private security, but generally the latter can be more highly specialized and are therefore useful in situations such as campus security. Large privately owned facilities like the campus stadium require a dedicated staff of personnel, rather than a sporadic or incident response team. Therefore, security at the stadium during games can be best provided by the private sector. The public law enforcement agencies in the community can and should be alerted as to when games…… Private security industry impact of the September 11, 2001 terrorist attacks on the private security field. Clearly, the private security industry, and all security, was impacted by the September 11 terrorist attacks in New York, Washington D. C.